/* lethead1.c */
#include <stdio.h>
#include <string.h>				/* for strlen() */
#define NAME "GIGATHINK, INC."
#define ADDRESS "101 Megabuck Plaza"
#define PLACE "Megapolis, CA 94904"
#define WIDTH 40
#define SPACE ' '

void show_n_char(char ch, int num);

int main(void)
{
	int spaces;

	show_n_char('*', WIDTH);	/* using constants as arguments */
	putchar('\n');
	show_n_char(SPACE, 12);		/* using constants as arguments */
	printf("%s\n", NAME);
	spaces = (WIDTH - strlen(ADDRESS)) / 2;
								/* Let the program calculate	*/
								/* how many spaces to skip		*/
	show_n_char(SPACE, spaces);	/* use a variable as argument	*/
	printf("%s\n", ADDRESS);
	show_n_char(SPACE, (WIDTH - strlen(PLACE)) / 2);
								/* an expression as arguement	*/
	printf("%s\n", PLACE);
	show_n_char('*', WIDTH);
	putchar('\n');

	return 0;
}

/* show_n_char() definition	*/
void show_n_char(char ch, int num)
{
	int count;

	for (count = 1; count <= num; count++)
		putchar(ch);
}